geiger



Feb. 26, 1929. 7 1,793,306

w. A. GEIGER DOOR OPERATING MECHANISM Filed June 10, 1926 2 sheetswsheet l Feb. 26, 1929.,

' W. A. GElGER DOOR OPERATING MECHANISM 2 Sheets-Sheet 2 Filed June 10, 1926 ill Feb. 2%,

F Fl t: E

A E N T VJILLIABI A. GEIGEB, CE CHICAGO, ILLINOIS, flSSIGNOE T \V. H. MINER, INQ, OF CHICAGO, ZLLLINOIS, A COEPURATEUN OF IDELAVTARE.

DOOB-OPERATING MECHANISBL Application filed June 10, 1926.

This invention relates to door-operating mechanisms.

Ono object of the invention is to provide a simple and cfiicient door operating mechanisn: for forcing the door when partly closed to tightly closed position, for holding the door closeih and for forcing: the same open to facilitate the complete opening: thereof.

Another object of the inven on is to provide a door operating mechanism especially adapted for pivoted doors of refrigerator cars, including oppositely disposed, vertically reciprocable, laterally movable, actuating membe s operated from a common lever means. and adapted to cooperate with herizontally arranged kce ers for moving said door in opening and sing directions, and for retracting the end portions of said members to a. position within the confines of the door w en the mechanism operated to open said door so as to clear the usual loading platforms.

Other and iliurther objects the invention will more clearly appear from the description and claims hereinafter following.

In the drawings iorming a part of the sgiaec'ilication, Fig. l is a side elevational view of a portion of: a refrigeratorcar showin my improvements in connection there with. Fig. 2 is a vertical, sectional view on an enlarged scale partly broken away,

e line 2 corresponding submantial v to .l. .3

oi i 2'. showing"; the position oi: the pa oi" the iucchanhan when the door is ti hi'ly cl: $5 a part soctionzu part olovz. ional View oi the lower end or one or the operating members and the rehued gun member and kee ier. said new bean j talren +1 li 1:. 3 2 1r ll 1 substainiah Jon. e lo inc 1/ v1. i m audit in. l is a pal-t sectional, part eleval view of the bottom keeper and lower end Oil the operating member substantially on the 'ne l l of 1 and she the door in c ted lines in partly open position. i i

g". o rznanen ary side elevation-rd view. someto 1, showing); a. slightly diii erent iodiment the invention. And Fl 6 .lll top plan view of the type of keeper used in connection with the construction shown in Fig. 5.

In said drawings, the side of shown as provided with a door and two pivoted doors 11 and 12. The doors have the usual beveled meeting edge' n u s.

the car frame 10.,

Serial No. 115,070.

and the customary insulation or packing is employed between the meeting edges of the doors and the remaining edges of the doors, and door frame. The doors ll and 12 are mounted for swinging movement about vertical axes, being supported by suitable hinges 1313.

The door operating mechanism comprises broadly operating members AA; (i-porating; lever B; guide brackets CC; and keep crs D D.

The door operating members AA are two in number, each of the same being in the form of a fiat bar substantially rectangular in cross section, one of said members being arranged aujacent the upper end of the door 12,".vhile the other member is arranged adjacent the lower end of the door 12. ll1e upper end of the upper moi" her A hts into a. l'GlliQCl end casting 1%, said end casting provided withan enlargement 15 adapted to abut against the upper guide bracket 0 and having a stem 16 projecting throu 'h the upper guide bracket (1 and is adapted to cooperate with the upper keepe r l. The lower end of the other operating member is also provided with a similar casting 140 having a stem portion 160 projecting through the lower guide bracket U and adapted to coact with the lower keeper D.

lliieans are provided for mounting; the members J b-A. for combined lon 'itudinal reciprocal and lateral in uncnt, said means including a link or tron ittinp; member 17 pivotady mounted upon the door 19. inte nicdiale its ends as irulicaieil portion oi said link beir nocted with the ug'aver opera nun some-what inwardly from the end casting 1aas indicated at 18. The inner end oii the lower member A is pivotally connected to the opposite end of the link 1? as indicated at 19.

Adjacent the lower end. of the door 12, there mounted the lever or transmitting member 1% adapted to swing about the pivot 2-0, the point oi pivotal mounting of the love; 15 being arranged somewhat inwardly from the end of lever, providing;- an end portion, imlicated at 21, which is pivotally connected to the lower member A somewhat inwardly from the end casting 14:0 thereon indicated at 22. The lower end of the upper member A is also pivotally connected to the lever B at the point indicated at 23,

the distance between the pivots 23 and and 22, corresponding to the distance between the pivots 18, 190 and 19. The lever B is provided with a handle 24 by which the same may be actuated to ellect combined reciprocable and lateral movement 01'': the operating members AA as will be understood.

The guide brackets C-C are two in number, one of the same being adapted to cooperate with the upper end casting of the upper member A, said guide bracket including a plate and a strap mounted there on defining an elongated guideway tor the upper end. of the upper member A to permit both longitudinal and lateral movement OLE said end. The lower bracket G is identical in construction with the upper bracket C and is associated with the bottom end of the lower member A, and permits combined longitudinal and lateral movement of the lower end of said bar.

The keepers D-D are two in number, one of the same being secured to the door frame adjacent the upper end of the upper memher A, While the other keeper is arranged adjacent the lower end of the lower memher A. The lower keeper D is secured to the door frame by suitable bolts indicated at 25*25, and said keeper is provided with upstanding portions 2626 defining a cam slot 27, which is arranged in a horizontal direction and opens outwardly toward the free edge of the door 12, said cam slot 27 being adapted for the reception of the stem 160 of the end casting on the lower operating member A. The lower keeper D is provided with an extension upon which is mounted a pivoted latch 28, said latch being; adapted to bear against a wear plate 29 secured to the lower right hand corner of the door 11. The upper keeper D is of identically similar construction to the lower keeper except that the camslot 30 thereof opens "inwardly away from the free edge of the door 12, the cam slot 30 being adapted to cooperate with the stem 16 ot the upper bar A when the mechanism is opcrated.

A bracket 31 is secured to the door 11 and is provided with a laterally extending flange 82 provided with an aperture adapted to eoaet with a similar aperture arranged in a flange formed upon the handle 24 of the lever B, said apertures being adapted for the reception ot a looking or sealing memher.

In operation, assuming the doors to be closed as illustrated in Figs. 1 and 2 of the drawings, and it is desired to open the same, upon novement of the handle 24 ot the lever B in a counter-clockwise direction,

as shown in dotted lines in Fi 1, reciprocatory movement in opposite directions will be imparted to the operating members A,

lon as the door is and simultaneously due to the pivotal connections between said operating members, the same will approach each other, bringin about lateral movement of the end castin s oi the operating; members as well as longitudinal movement thereof, thereby causing traverse of the cam surfaces of said keepers in a horizontal as well as vertical direction, and effecting opening movement of the door sutilcient to clear the insulation between the edges thereof, after which the door 12 may be moved to fully opened pos ion. Durinp this action, it should be noted tnat the end casting on the lower oprat-ing bar will. have been elevated by e movement of the actuating lever so that tit-e same is disposed in a position within the omtines of the door, and said operating members will be held in such position, so

m open, due to the influence ot gravity acting upon the operating lever which hangs in a depending position, and hence maintains the operating end of the lever at a position within the bottom edge of the door, thereby removing any obstructions from said edge to permit ready clearance oi loading platforms when the door is opened. llhen the door 12 has been fully opened the latch 28 may be swung out of enga 'ement with the wear plate 29 after which the door 11 may be readily opened to its full extent.

hen it d sired to close the doors, the door 11 is swung to nearly closed position, after which the door 12 is swung in a closdireetion until the opposite end portions of the operating members A-A are in alinement with the upper and lower keepers and in position to enter the cam slots thereof. lV hen the actuating portions of the operating members A-A are in position to enter the keepers, the actuating lever B is swung); in a clockw se direction by its handie 2i. which effects reciprocation of said o erating members vertically outwardly in o iposite dirH-tions, and at the same time causes said operating members to move away from each other and impart a coi'nbined vertical and horizontal movement to the end castings of the operating; imanbers, causing; the same to traverse the cam surfaces of the horizontah ly arranged keepers so as to force the doors 1i and 12 to fully closed position, aitcr which the pivoted latch 28 may be turned against the wear plate 29 to lock the door 11 in closed position The handle ot the lever B then may be reengaged with the locking means 32.

Referring now to Figs. 5 and G, a somewhat diiierent embodiment of the invention is disclosed. in this arrangement, doors and 36 are provided mounted in a door frame 37 in identically the same manner erred to in connection with Fi e 1 to l mosses inclusive. lvlounted upon the door 36 an. operating mechanism consisting of operating bars 38-38, corresponding to the members AA. shown in Fig. l, and although only the lower portion oi the operating mechanism is disclosed, it will be appreciated that said mechanism is identically similar to that shown in Fig. 1 except as hereinat'ter therwise pointed on The outer end of each of the members FEB--38 is provided with an end casting indicated at 39 which the same in all respects to the castings .4. and 140 heretofore referred to, except that the stem ot each casting as indicated at 40 in is considerably length than the stems 1t and 160, the bars fill-38. oi course, being shorter than the bars infi l to permit the use oi the longer stems indicated at to provide operating meinbers which in overall length are e actly similar to the operating menibers A A.

Guide brackets sin'iilar to the guide brackets C-C heretofore described are provided as indicated at 4-1, and in eacli of said guide bracliiets an elongated stem 4-0 is disposed for combined reciprocal and latr 'al move ment. The lower operating member 38 is provided with a pivoted latch 42 which in one position or" the lower bar 38, engages with a projection 43 form d upon the outer face of the lower guide bracket ll.

Mounted upon the door frame 8'? adjacent the upper and lower ends oi the operating; members 38-38 are keepers, the lower of which is ineicated at 44, said keepers being erupted to co-aet with the stems upon the opposite ends of the operating members The lower keeper is provided with vertically disposed walls defining a cam slot 4:55 which is open at its top and bottom. and which has an entrance facing t iotin-ward edge of the door 36, the cam slot 424 beingada ed for the reception of .3 elongated stm on the lower operatno; member The kee ier 44 is u tended o the left and provided with a latch 46 :(lart rl to be turned against the wear pla the lower right hand corner 3o. A keeper similar to the keeper l is associated with the upper por- 1e door frame and is adapted to cooperate with the stem of the upper op crating; member 00 said upper keeper hava cam slot similar to the cam slot except that said cam slot has an entrance disposed away from the forward edge oi the door in the same manner as the upper keeper l) disclosed in l 1. A bracket is secured to the door 35 and adapted to cooperate with the handle 49 by which the o1 crating members 38-38 are aci'iuated the bracket 48 being; provided with an apertured rib 50 adapted t r the reception of a sealing member which may be extended about the handle l9. Said handle is provided, wi l an offset indicated at 51 which will perm! the handle 49, when the sealing member is absent, to swing past the rib 50 to the dotted line position shown in Fig. 5.

in operation, assuming the doors to be closed shown in l? 5, and that it is desired to open said (hiors the handle 49 may be moved downwardly in the manner heretofore described in connection with Figs. 1 to l inclusive, causing traverse by the stools on the end castings of the keepers to force the door in an opening direcgion. It on the other hand convenience requires that the handle ll) be swung upwardl o in a elockw direction, toward the position 1n 'ated 1n dotted lines, this movement will one combined reciprocation ot the members :3S---l8 and simultaneous approach thereof substantially in parallel relatioru this inoven'ient also causing traverse oi the cum surfaces of the keepers to force the door open. Baring the downward movethe pivoted latch rides over the projection 4-3 and ell'ectirely prex' ents the return of the mechanism to the position indicated in l in dotted lines under the influence of the weight ot the handle a9. II" it is ment of the lower operating bar 38,

desired, the latch 4t?) may be disengaged to permit the mechanism to assume the position indicated in dotted lines in Fig. 1 so that the projectin; nds of the stems will be retracted to poin" within the confines of the door. However, it will be noted that the latch holding; the mechanism in the position shown in dotted lines in Fig. 5, maintains the mechanism in such position that no further movements of the operating handle 49 are necessary to arrange the stems on the operating members in position to re-enter the kee iiers, after 1 whicn the handle 49 may be swung downwardly to cause traverse oi the keepers about the .--;t ;ns and three the door to atly i-losed position.

Wh l ha e be. u shown and desiribz d wh;

2 i now consider me pinched mama-i of c rying out my inven ion, the same is merely illustrative, and l contemplate all changes and modifications that come within the scope of the claims appended hereto.

1 claim:

1. In a door operating mechanism the combination with a door and a door frame therefor; of an operating member ha ing an actuating portion adapted to project beill) being pivotally connected with the second operating member at a point between its ends, and the other transmitting member having one end portion connected with said first mentioned operating member intermediate its ends, and having its opposite end portion pivotaiiy connected with the end portion of said second operating member; means for swinging said transmitting rembers about their pivots; and reepcr means adapted to co-act with said operating members to effect movement of said door in opening and closing direct-ions.

2.111 a ooor operating mechanism, the combination With a door and a door i'ranie therefor; of an operating member having an ct-uating portion adapted to project beyond one edge of said door, and second operating member adapted to project beyond the opposite edge of said door; transmitting members pivotaily mounted intermediate the ends thereof and arranged in spaced lation, one end portion of one of said transmitting members being connected with one end portion of one of said ope ating men bers, and the opposite end portion thereof being pivotaliy connected with the second operating member at a point between its ends, and the other transmit member having one end portion connected with said first mentioned operating member intermediate its ends, and having its opposite end. portion pivotaiiy connected with the end portion of said second operating member, said other transmitting member having an extension providing a lever for effecting movement 01": said. operating members.

3. In a door operating mechanism, the combination with adoor and a door frame therefor; of an operating member having an actuating portion adapted to project beyond end edge of said door, and a second operating member adapted to project beyond the opposite edge of said door; transmitting members pivotaliy mounted inter-mediatc the ends thereof and arranged in spaced re lation, one end portion of one oi said trans mitting members being connected With one end portion of one of said operating members, and the opposite end portion thereof being pivotaliy connected with the second operating member at apoint between its ends, and the other transmitting member having one end portion connected with said first mentioned operating member intermediate its ends, and having its opposite end portion pivotaliy connected with the. end portion of said second operating member, said other transn'iitting member having an. extension providing a iever for eii'cting movement of said operating members; and keeper means cooperating with the pr ieciinn' portions of said operating members to etiiect movement of raid door in opening and ciosing directions.

4%. In a door operating mechani m, the combination with a door frame and a pivoted door; of a pair of elongated 01 crating bars mounted on said door, disposed side by side, each of said members having an actuating portion adapted to project beyond one edge of said door; means for effecting reciprocation of said members in a Longitudinal direction and simuitaneously effecting approach and recession of said members laterailiy with respect to each other, said means Znciuding a. guiding member pivrd'ed to both bars and said door, and an actuating mcnn ber pivoted on said door and also pivoted to both bars; and keeper means mounted on said door frame and cooperating with the projected end portions of said operating bars to effect movement 01" said door in opening and closing directions, said operating means being effective to retract the actuating portion at the lower edge of said door to a position Within the confines thereof When the door is moved in an opening direction, by said operating bars.

In Witness that I claim the foregoing I have hereunto subscribed my name this 2nd day oi June, 1926.

WILLIAM A. GEIGER. I

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